Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 27, 2018	Oct. 28, 2017	Oct. 27, 2018	Oct. 28, 2017
Net sales	$ 260,709	$ 244,119	$ 553,299	$ 503,951
Cost of sales	157,185	148,039	334,080	303,368
Gross profit	103,524	96,080	219,219	200,583
Selling, general and administrative expenses	51,366	45,423	104,056	92,146
Interest expense	51	51	101	101
Other income - net	1,187	306	2,042	617
Income before income taxes	53,294	50,912	117,104	108,953
Provision for income taxes	12,216	16,932	27,196	36,701
Net income	$ 41,078	$ 33,980	$ 89,908	$ 72,252
Earnings per common share:
Basic (in dollars per share)	$ 0.88	$ 0.73	$ 1.93	$ 1.55
Diluted (in dollars per share)	$ 0.88	$ 0.72	$ 1.92	$ 1.54
Weighted average common shares outstanding:
Basic (in shares)	46,628	46,593	46,623	46,589
Diluted (in shares)	46,928	46,925	46,923	46,921